Display screen or portion thereof with graphical user interface for configuring one or a plurality of boilers or water heaters



FIG. 1 is a front view of the first embodiment of a display screen or portion thereof with graphical user interface for configuring one or a plurality of boilers or water heaters showing our new design;

FIG. 2 is another front view of the first embodiment;

FIG. 3 is a front view of a second embodiment thereof; and,

FIG. 4 is another front view of the second embodiment.

The outer perimeter broken lines in the figures show a display screen or portion thereof and form no part of the claimed design. The broken line showing of text and graphic elements forms no part of the claimed design. 

CLAIM The ornamental design for a display screen or portion thereof with graphical user interface for configuring one or a plurality of boilers or water heaters, as shown and described. 